以下是一封：

Subject:YourVisitto[CityName]

Dear[Friend'sName],

Ihopethisemailfindsyouwell.It'***eenawhilesincewelastcaughtup,andIwaswonderinghowyou'vebeendoinglately.Itrustalliswellwithyouandyourfamily.

I'mwritingtoyoutodaybecauseIwantedtoextendaninvitationforyoutovisit[CityName]sometimeinthenearfuture.Iknowhowmuchyoulove[CityName]andhowmuchyoumissitsinceyoumovedaway.Iwouldbedelightedtohaveyoustaywithmeforafewdaysandshowyouaroundsomeoftheplacesyouhaven'tseenyet.

[CityName]haschangedalotsinceyouleft,andthereareafewnewattractionsthatIthinkyoumightenjoy,suchas[NewAttraction1]and[NewAttraction2].Ofcourse,wec***sorevisitsomeofyouroldfavoritespotslike[OldFavoriteSpot1]and[OldFavoriteSpot2].

Pleaseletmeknowifyouareinterestedincomingforavisitandifso,whatdatesworkbestforyou.Iwouldbehappytohelpyoumakearrangementsforyourtrip.

Inthemeantime,Ihopeyou'restayingsafeandhealthy.Ifthere'sanythingyouneedorifthere'sanythingIcandoforyou,pleasedon'thesitatetoask.

Takecareandtalktoyousoon.

Bestregards,

[YourName]。